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20230002 = 2321386453
BaseRepresentation
bin100110100101…
…0111101110010
31102001210100100
41031022331302
520134330002
62001333230
7333644412
oct115127562
942053310
1020230002
1110468111
126937216
134264020
142988642
151b9911c
hex134af72

20230002 has 24 divisors (see below), whose sum is σ = 47203884. Its totient is φ = 6224544.

The previous prime is 20229991. The next prime is 20230031. The reversal of 20230002 is 20003202.

It can be written as a sum of positive squares in 2 ways, for example, as 17065161 + 3164841 = 4131^2 + 1779^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42993 + ... + 43460.

Almost surely, 220230002 is an apocalyptic number.

20230002 is an abundant number, since it is smaller than the sum of its proper divisors (26973882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230002 is a wasteful number, since it uses less digits than its factorization.

20230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86474 (or 86471 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20230002 is about 4497.7774511418. Note that the first 3 decimals coincide. The cubic root of 20230002 is about 272.4783339955.

Adding to 20230002 its reverse (20003202), we get a palindrome (40233204).

The spelling of 20230002 in words is "twenty million, two hundred thirty thousand, two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 86453 172906 259359 518718 778077 1123889 1556154 2247778 3371667 6743334 10115001 20230002